Wheel stop



FIG. 1 is a perspective view of a wheel stop of my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side view thereof, the opposite side being a mirror image thereof; and,

FIG. 4 is a front elevation view thereof, the rear elevation view being a mirror image thereof. 

CLAIM The ornamental design for a wheel stop, as shown and described. 